Ratchet-brake for cars.



No. 7014,22] Patented .luiy 8, |902.

H. WiTTE.

BATCHET BRAKE FDR CARS.

(Application med July s, 1901.) 4 (No Model.)

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VUNTTED STATES PATENT OEEICE.

HUBERT VITTE, OF ST. LOUIS, MISSOURI, ASSIGNOR TO ST. LOUIS OAR COMPANY,OF ST. LOUIS, MISSOURI, A CORPORATION.

RATCHET-BRAKE. FOR CARS.

SPECIFICATION forming part of Letters Patent NO. 704,227, dated July 8,1902.

Appnmion filed July s, 190i.

To all whom it may concern:

Be it known that I, HUBERT VITTE, a citizen of the United States,residing in the city of St. Louis, in the State of Missouri, haveinvented certain new and useful Improvements in Ratchet-Brakes for Cars,of which the following is a full, clear, and exact description,reference being had to the accompanying drawings, forming part of thisspecification.

Hy invention relates to that class of streetcar brakes wherein thebrake-statt is provided with a series of ratchet-teeth and thebrakehandle is equipped with a pawl adapted to engage saidratchet-teeth.

The invention consists in features of novelty hereinafter fullydescribed, and pointed out in the claims.

Figure I is a view in side elevation of a brake constructed inaccordance with my invention. Fig. II is a view partly in plan andpartly in horizontal section. Fig. III is a view similar to Fig. II,showing the brakehandle moved into the position in which the pawl isdisengaged from the ratchet-teeth. Fig. IV is a view of the brake,partly in elevation and partly in vertical section.

1 designates the sta to which the brakechain 2 is connected, the staffbeing'provided with the usual ratchet-wheel 3, that is engaged by thepawl 4, which serves to retain the statt in a set position.

5 designates a bracket secured to the dash A of a car. On the upper sideof the bracket 5 is a pair of stops 6 and 6,

7 designates a head at the upper end of the sta 1, seated in the bracket5 and rigid with said staff. The head 7 is provided with a series ofratchet-teeth S. Extending upwardly from the head 7 is a stem 9, thatreceives a nut 10.

11 designates the brake-handle, which is recessed at its inner end tofit over the staffhead 7 and through which the stem 9 passes for theattachment of the handle to the statt'.

12 designates a pawl slidably mounted in the brake-handle 11 and-adaptedfor engagement with the ratchet-teeth 8. The pawl 12 has attached to itthe guide-rod 13, that is surrounded by a spring 14, that serves to holdthe pawl normally projected into engagement wit-l1 the ratchet-teeth 8,as seen in Fig. Il.

Serial No. 66,965. (No model.)

15 designates a dog pivoted to the brakehandle 11 at 16 and providedwith pivotal connection to the pawl 12 by a screw or pin 1S, that isadapted to play in a slot 17, contained by the dog. The free end of thedog 15 is arranged to project beyond the side of the brake-handle, asseen in Figs. II and III.

19 designates a boss or projection extending from the bracket 5, atone'side thereof, in a position adapted to receive the free end of thedog 15 when said dog is moved thereto.

In the practical use of the brake the handle 11 is rocked lirst in onedirection and then in the other, its movement being limited by the stops6 6 as it is brought into engagement therewith. As the handle is movedto the left, as seen in Fig. II, the pawl 12 is held in engagement withthe ratchet-teeth 8 by the spring 14E and the head 7 and statt 1 arerotated in a corresponding direction to wind the chain 2 on the staff,and the staff is held from retrograde rotation by the ratchet-wheel andpawl 3 4. When the handle has been moved to the limit of its travel tothe right, it strikes against the stop 6 on the bracket 5 and themovement of the handle is reversed by the operator. The reverse movementof the handle is continued until the handle strikes the stop 6, the pawl12 sliding over the ratchet-teeth being designed to engage said teeth onmovement of the handle again to the right if the statt has not beensufciently turned to set the brakes. On the movement of the brake-handleto the left the dog 15 strikes against the boss 19 and causes said dogto move outwardly into the position seen in Fig. III, and therebyretracting the pawl 12 from engagement with the ratchet-teeth 8 andfreeing the head 7 from restraint, so that upon the release of the pawl4: from the ratchet-wheel 3 the staff 1 is permitted to rotate in areverse direction from that in which it was rotated to wind the chain 2thereon and the chain is slackened to release the brakeshoes fromcontact with the car-wheels.

I claim as my invention- 1. The combination with a brake-statt, and aratchet-head, of a bracket having a projection, a handle, a pawl securedto the handle, and a dog pivoted to the handle at one side IOS ofthepawl, connected to the pawl and extenddle at one side of the pawl, andextending over the same to engage with the projection on the ro bracket.

ing over the same to engage with the projection on the bracket.

2. The combination with a brake-stall' and a ratchet-head, of a brackethaving a projecf 5 tion, a handle, a spring-pressed pawl sliding HUBER FWITTE longitudinally Within the handle and having a pin, and a dogprovided With a slot in which l E. S. KNIGHT, the pin on the pawl Works,pivoted to the hanl M. P. SMITH.

In presence 0f-

